1. Nothing could have been more annoying.
没有什么能比这更让人心烦了。
知识点：本句包含典型的“can/could+have+过去分词”的结构，表示“没有……比这更……了”：
No one could have been fatter.
没有人比这个人更胖了。
Nothing could have been cheaper.
没有什么东西比这更便宜了。
No face could have been uglier.
没有哪一张脸比这张更丑了。
2. After breakfast, I sent the children to school and then I went lo the shops.
早饭后，我先送孩子们上学，然后就去了商店。
知识点：sent the children to school 一般为由第三者帮忙送孩子到学校。
3. It was still early when I returned home.
我回到家时，时间还早。
知识点：本句包含由when引导的时间状语从句。
